[techas]

The proposed model explains slowdown in terms of production technologies and materials, in particular microelectronics. But, is it fair a model that does not take into account the effect of internet during the last 20 years? Not only the hardware have changed the production landscape, but also the networks.

The conclusions of the work might be correct, but in my opinion the model seems incomplete to draw conclusions from it.

[geysersam]

From what I understood in the end the conclusion was that only a relatively small part of the productivity difference can be explained by electronics minification.

And while we can find reasons the productivity increased faster in the 90s, it's not difficult to find reasons why the productivity should increase now as well.

Software, network and sensor technology advances rapidly. Biotechnology and medicine too (MRI, better cancer treatments, RNA vaccines, etc).

In the same period of time (80s/90s) there were enormous changes of the manufacturing economy in the US. Reforms to the financial system. Outsourcing to Asia etc.

So many factors not taken into account. Such science only serves to create compelling stories of the past, it doesn't have predictive value.